[2010] Create An X-Y Scatter Chart?
Jul 29, 2010
I am trying to create an X-Y Scatter chart from VB and it just refuses to come out right. I have two columns of data, with headers. If I manually grab say A1 to B100, Insert chart, X-Y scatter with straight lines, it works fine. Basically, column A is Elapsed Time, and B is data. So it plots B on the graph and the X-axis is the elapsed time, one series.If I automate from VB, I can't get the same affect. Either I get two series or the X-axis is just numbers 1 to n When I highlight the series in Excel, this is what the formula bar says when it's correct:
=SERIES(Sheet1!$B$1,Sheet1!$A$2:$A$100,Sheet1!$B$2:$B$100,1)
When it's close, but wrong:
=SERIES(Sheet1!$B$1,,Sheet1!$B$2:$B$100,1) close, need A range between commas
I've tried two methods:
xlRange = xlWorkSheet.Range("B1")
xlRange = xlRange.Resize(ArraySize + 1, 1)
xlChart = xlWorkBook.Charts.Add()
[code]....
I just can't seem to get it right!
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I have X and Y data columns coming from database.
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[Code]...
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the chart i want will look like this:
'''
''''
[code].....
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I toyed with the idea of adding a data point outside the time scale of the chart and this worked, I then got an empty graph, but there must be a cleaner way to achieve this.
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[Code]......
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I'm trying to make a very simple chart.[code]...
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Heres the code for the line drawing program:
Option Strict On
Imports System.Drawing.Drawing2D
Public Class ViewChart
[Code]....
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I create datatables uisng OleDb connection and bindingsources to comboboxes and textboxes for display of data
I just need a simple x/y scattered chart/graph
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My database structrue is shown below:
Taskname StartTime EndTime
task1 2012-03-01 8:00 2012-03-01 10:00
task2 2012-03-01 9:00 2012-03-01 14:00
task1 2012-03-01 17:00 2012-03-01 18:00
task2 2012-03-03 18:00 2012-03-03 19:30
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task1 task1
----- ---
task 2 task 2
------------------------- -------
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task1
------
task 2
-------------------------
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Here is my code.
Public Class Form1
'String array stores ratings
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Dim studentCount As Integer 'number of student ratings entered
Dim frequency(9) As Integer
[CODE]...............................
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[Code]...
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Jan 15, 2009
I am trying to build a function that returns a chart. I want to have a parameter toaccount for times where i may need more than one series. How does one loop through to createmultiple series? I would think you would need a variable for each series. The function is below. I would think that if there were 5 series that each of the "Dataseries" variables should have their own name. Do I then refer to them by index only? Public Shared Function MakeChart(ByVal form As Form, Optional ByVal numseries As Integer = 0) As Chart
' Add any initialization after the InitializeComponent() call.
Dim SampleChart As Chart = New Chart()
Dim MainChartArea As ChartArea = New ChartArea()
[code].....
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[Code]....
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[Code]...
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